How many patents does
Sinohydro Bureau 14 Company have?
patents
231
families
197
granted
35
applications
196
CN
231
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Sinohydro Bureau 14 Company
Top ten assignees appearing on patents
2009 - 2018
2009
| sinohydro bureau 14 company | 1 |
2018
Sinohydro Bureau 14 Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| tunnel safety protection net and installation method thereof | 2 | 2014 |
| underground cavern drainage blind ditch device | 2 | 2012 |
| construction method for adjusting steel plate embedded parts to reach design and constru… 🛈 | 2 | 2015 |
| integral type outside concrete formwork | 2 | 2014 |
| vertical cement tank with electronic scale | 2 | 2012 |
| buffering device for vertical concrete conveyance | 2 | 2014 |
| method of using portal frames to hoist draught fan foundation ring | 2 | 2013 |
| device for positioning steel bar protection frame of concrete prefabricated cover plate | 2 | 2015 |
| automatic feeding system for novel mixing station | 2 | 2014 |
| shallow-buried large-span water conveying tunnel three-stage five-step digging method | 2 | 2013 |